Fluke 8050A - Signal Conditioning

U-1 INPUT DIVIDER
......
,
V/kn/S
COM
...
"
OHMS
VOLTAGE
SOURCE
USB
200.Q, 2 k.Q
ALL OTHER
RANGES
~>
:>
••
~>
~·
••
• •
••
RANGE
SWITCHES
INT
FUNCTION AND RANGE SWITCHES
200 mV,
2V
DC
-
..AJ
.
T
-
-
- -
- -
AC
-
20V, 200V
-· 9 1000V
TO TOUCH
AND HOLD Cl RCUIT
R16
R17
R1S
..... -
U6
U6
BUFFER OUTPUT
DE-INT
-V,n REF
VRX + VRT1, R2 - Vc7
THEORY OF OPERATION
SIGNAL CONDITIONING
RS
AA
---
A/D
j
!
TRUE RMS
:c
6
CONVERTER
A.
VOLTAGE MEASUREMENTS
DC
RS
TRUE RMS
CONVERTER
C6
B. CURRENT MEASUREMENTS
C7
A/D BUFFER
(DE-INTEGRATE
CONFIGURATION)
C. RESISTANCE MEASUREMENTS
READING
VRX + VRT1, R2- (VRX + VRT1, R2 + VR REF)
-V,n REF
Figure 3-5. Signal Conditioning
3-7